(3aj eMGSHI GdeVGQHI (B/s - (3HGSgd, eMeO SYjO UGdM,s 1379 (3gLQj(B-s ((3LOI, GdSYhOjI (B:s [(3O(B. (3f(B.](3,s, 2000)
Keywords: (3GdeVGQHGJ (B((3eGdjI(B)s